GA 835-2009 Oil evacuation and nitrogen injection extinguishing equipment for oil-immersed power transformer
GA 835-2009 Oil evacuation and nitrogen injection extinguishing equipment for oil-immersed power transformer
Basic Information
Scope
This standard specifies the performance requirements, test methods, inspection rules, and requirements for the preparation of user manuals for oil-immersed transformer oil drain and nitrogen injection fire-extinguishing devices (hereinafter referred to as "devices") and their components, including nitrogen cylinder groups, nitrogen release valves, oil drain valves, shut-off valves, pressure relief devices, fire control cabinets, fire detection devices, and oil-gas isolation devices.
This standard applies to oil-immersed transformer oil drain and nitrogen injection fire-extinguishing devices.
The oil drain and nitrogen injection fire-extinguishing devices used to protect oil-immersed reactors and other equipment can be referenced and adopted accordingly.